package com.forum.ajax.homepage;

import java.io.IOException;
import java.io.PrintWriter;
import java.security.acl.Group;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.json.JSONException;
import org.json.JSONObject;

import com.forum.domain.Groups;
import com.forum.domain.GroupsDAO;
import com.forum.domain.Ucg;
import com.forum.domain.UcgDAO;
import com.forum.domain.User;

import com.forum.domain.UserDAO;

public class GetConcernGroups extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public GetConcernGroups() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	/**
	 * The doGet method of the servlet. <br>
	 * 
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request
	 *            the request send by the client to the server
	 * @param response
	 *            the response send by the server to the client
	 * @throws ServletException
	 *             if an error occurred
	 * @throws IOException
	 *             if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		request.setCharacterEncoding("utf-8");
		response.setContentType("text/html");
		PrintWriter out = response.getWriter();

		JSONObject json = new JSONObject();

		String str_id = (String) request.getParameter("id");
		int id = Integer.parseInt(str_id);
		UserDAO ud = new UserDAO();
		User user = ud.findById(id);

		UcgDAO ucd = new UcgDAO();
		List<Ucg> grouplist = ucd.findByProperty("user", user);

		try {
			json.accumulate("count", grouplist.size());

			for (int i = 0; i < grouplist.size(); i++) {
				Groups group = grouplist.get(i).getGroups();
				JSONObject groupjson = new JSONObject();
				groupjson.accumulate("id", group.getId());
				groupjson.accumulate("ownerId", group.getUser().getUserid());
				groupjson.accumulate("ownerNickname", group.getUser().getNickname());
				groupjson.accumulate("name", group.getName());
				groupjson.accumulate("intro", group.getIntroduction());
				groupjson.accumulate("time", group.getBuilddate().toGMTString());
				json.append("group", groupjson);
			}
			
			out.print(json);

		} catch (JSONException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}

	}

	/**
	 * The doPost method of the servlet. <br>
	 * 
	 * This method is called when a form has its tag value method equals to
	 * post.
	 * 
	 * @param request
	 *            the request send by the client to the server
	 * @param response
	 *            the response send by the server to the client
	 * @throws ServletException
	 *             if an error occurred
	 * @throws IOException
	 *             if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		response.setContentType("text/html");
		PrintWriter out = response.getWriter();
	}

	/**
	 * Initialization of the servlet. <br>
	 * 
	 * @throws ServletException
	 *             if an error occurs
	 */
	public void init() throws ServletException {
		// Put your code here
	}

}
